posted by Jenny .
In blueprinting, there are to reactions that occur.
The first one: Fe^3+ + C204^-2 (oxalate) -> Fe^2+ + CO3
must occur with light.
Can the second reaction described by the chemical equation below occur without light?
Fe^2+ + Fe (CN)6^-2 -> Fe3[Fe(CN)6]2
Please explain why, thank you!